A01 Pro 100W x 2 Power Amplifier Bluetooth 5.1 Class D Amp TPA3116 2.0/2.1 Channel Stereo Amplifier Receiver Mini Speaker Amp with 3.5mm AUX Output + DC24V Power Adapter Black

[ 3.5 mm AUX output] Bluetooth 5.1 /Stereo RCA input ways. Add 3.5 mm AUX Line output design, can connect to the next active device (such as a stereo amplifier, active subwoofer, or active speaker). [The chipsets are high quality designs] The Qualcomm chip uses QCC3034 Bluetooth 5.1 supporting APT-X HD and LDAC, these are the highest quality BT codecs for hi-res streaming music. [With DC24V Power Adapter] This Upgraded A01 Pro Stereo Audio Amplifier Receiver input power DC 15-24V. A01 Pro Power Bluetooth Amplifier Package with DC 24V power adapter, with Bass & Middle & Treble control.

[Multiple Channel] Can be used as a 2 channel amplifier/ 2.1 channel bluetooth amplifier, 100W+100W (20 Hz - 20 kHz, 0.04 % THD) bluetooth amplifier for speakers. Uses 2pcs Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving passive speakers. All aluminum alloy shell, heavy gold PCB. Build quality is surprisingly solid, nice touch! The power circuit is completely separate from the audio circuit, minimizing interference for clear sound